Septuagesimal definitions

Septuagesimal

• (a.) Consisting of seventy days, years, etc.; reckoned by seventies.
Found on http://thinkexist.com/dictionary/meaning/septuagesimal/

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Septuagesimal

Sep`tu·a·ges'i·mal adjective Consisting of seventy days, years, etc.; reckoned by seventies. « Our abridged and septuagesimal age.» Sir T. Browne.
Found on http://www.encyclo.co.uk/webster/S/70

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